Really, this is no different from us. A lot of otaku collect just as much merchandise. Being an anime fan alone is something people generally find strange. If you're an adult, because they think it's just for kids. But we're no different than comic book geeks, or trekkies, or IT/computer geeks.Barbie is something toooootally different from what anyone's used to.

But yeah, he's doing his thing, and he's happy. People might be lining up to see his museum one day.